1229587968 has 360 divisors, whose sum is σ = 4169003256. Its totient is φ = 319979520.

The previous prime is 1229587963. The next prime is 1229587987. The reversal of 1229587968 is 8697859221.

It is a happy number.

Its product of digits (4354560) is a multiple of the sum of its prime divisors (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1229587963) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 39664113 + ... + 39664143.

Almost surely, 2^1229587968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1229587968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2084501628).

1229587968 is an abundant number, since it is smaller than the sum of its proper divisors (2939415288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1229587968 is an equidigital number, since it uses as much as digits as its factorization.

1229587968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 60 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 57.

The square root of 1229587968 is about 35065.4811459931. The cubic root of 1229587968 is about 1071.3216172806.

The spelling of 1229587968 in words is "one billion, two hundred twenty-nine million, five hundred eighty-seven thousand, nine hundred sixty-eight".